根据对话内容,在横线上填入适当句子,补全对话.
A:Hi,Gina! 1_________?
B:To a supermarket.
A:2________?
B:I'm not sure.Linda's birthday is coming ,so I want to buy something for her.
A:3________?
B:October 28.4_________?
A:Yes,I am.I'm not busy that day.
B:Gteat! Would you like to go to the party with me?
A:5_______. Linda is also my friend.Can I go shopping with you?